Fig. 3From: Associations of AMP and adenosine induced dyspnea sensation to large and small airways dysfunction in asthmaDry powder adenosine: Spearman’s correlations to change in Borg dyspnea sensation (ΔBorg). a. the change in the forced expiratory volume in 1 s (ΔFEV1), b. the change in forced expiratory flow at 25% of forced vital capacity (FVC) (ΔFEF25), c. the change in forced expiratory flow at 75% of FVC (ΔFEF75), and d. the change in forced expiratory flow at 25 to 75% of the FVC (ΔFEF25–75)Back to article page